Description

Schneider LC1D18M7 Contactor: A Comprehensive Guide

Introduction to Schneider LC1D18M7 Contactor

In the realm of electrical engineering and automation, precision and reliability are paramount. This is where it shines. Designed to manage electrical circuits with precision and efficiency, it is a staple component in numerous industrial and commercial applications.

Understanding Contactor Basics

What is a contactor?

A contactor is an electromechanical device used to make or break electrical connections. It serves as a switch for controlling electrical power circuits, typically in high-power applications.

How does a contactor work?

Contactor operation involves an electromagnetic coil that, when energized, generates a magnetic field, attracting a movable core. This action closes the contacts, allowing electricity to flow through the circuit. When the coil is de-energized, the contacts open, interrupting the flow of electricity.

Features of Schneider LC1D18M7 Contactor

Electrical ratings

The LC1D18M7 boasts impressive electrical ratings, ensuring compatibility with a wide range of applications. From low-voltage to high-voltage systems, this contactor delivers consistent performance.

Coil voltage

With options for various coil voltages, including standard AC and DC voltages, it offers flexibility in design and integration.

Contact configuration

Featuring multiple contact configurations, including normally open (NO) and normally closed (NC) contacts, it adapts to diverse circuit requirements.

Enclosure type

The contactor is available in different enclosure types, such as open-frame and enclosed designs, providing options for different environmental conditions.

Applications of Schneider LC1D18M7 Contactor

Industrial machinery

From conveyor systems to manufacturing equipment, it is a reliable solution for controlling motors and other machinery in industrial settings.

Additional information

brands

Schneider Electric

Specifications

Main
Range of product TeSys Deca
Product or component type Contactor
Device short name LC1D
Contactor application Resistive load Motor control
Utilisation category AC-1 AC-4 AC-3 AC-3e
Poles description 3P
[Ue] rated operational voltage Power circuit: <= 690 V AC 25...400 Hz Power circuit: <= 300 V DC
[Ie] rated operational current 18 A (at <60 °C) at <= 440 V AC AC-3 for power circuit 32 A (at <60 °C) at <= 440 V AC AC-1 for power circuit 18 A (at <60 °C) at <= 440 V AC AC-3e for power circuit
[Uc] control circuit voltage 220 V AC 50/60 Hz
Complementary
Motor power kW 4 kW at 220...230 V AC 50/60 Hz (AC-3) 7.5 kW at 380...400 V AC 50/60 Hz (AC-3) 9 kW at 415...440 V AC 50/60 Hz (AC-3) 10 kW at 500 V AC 50/60 Hz (AC-3) 10 kW at 660...690 V AC 50/60 Hz (AC-3) 4 kW at 400 V AC 50/60 Hz (AC-4) 4 kW at 220...230 V AC 50/60 Hz (AC-3e) 7.5 kW at 380...400 V AC 50/60 Hz (AC-3e) 9 kW at 415...440 V AC 50/60 Hz (AC-3e) 10 kW at 500 V AC 50/60 Hz (AC-3e) 10 kW at 660...690 V AC 50/60 Hz (AC-3e)
Motor power hp 1 hp at 115 V AC 50/60 Hz for 1 phase motors 3 hp at 230/240 V AC 50/60 Hz for 1 phase motors 5 hp at 200/208 V AC 50/60 Hz for 3 phases motors 5 hp at 230/240 V AC 50/60 Hz for 3 phases motors 10 hp at 460/480 V AC 50/60 Hz for 3 phases motors 15 hp at 575/600 V AC 50/60 Hz for 3 phases motors
Compatibility code LC1D
Pole contact composition 3 NO
Protective cover With
[Ith] conventional free air thermal current 10 A (at 60 °C) for signalling circuit 32 A (at 60 °C) for power circuit
Irms rated making capacity 140 A AC for signalling circuit conforming to IEC 60947-5-1 250 A DC for signalling circuit conforming to IEC 60947-5-1 300 A at 440 V for power circuit conforming to IEC 60947
Rated breaking capacity 300 A at 440 V for power circuit conforming to IEC 60947
[Icw] rated short-time withstand current 145 A 40 °C - 10 s for power circuit 240 A 40 °C - 1 s for power circuit 40 A 40 °C - 10 min for power circuit 84 A 40 °C - 1 min for power circuit 100 A - 1 s for signalling circuit 120 A - 500 ms for signalling circuit 140 A - 100 ms for signalling circuit
Associated fuse rating 10 A gG for signalling circuit conforming to IEC 60947-5-1 50 A gG at <= 690 V coordination type 1 for power circuit 35 A gG at <= 690 V coordination type 2 for power circuit
Average impedance 2.5 mOhm - Ith 32 A 50 Hz for power circuit
Power dissipation per pole 2.5 W AC-1 0.8 W AC-3 0.8 W AC-3e
[Ui] rated insulation voltage Power circuit: 690 V conforming to IEC 60947-4-1 Power circuit: 600 V CSA certified Power circuit: 600 V UL certified Signalling circuit: 690 V conforming to IEC 60947-1 Signalling circuit: 600 V CSA certified Signalling circuit: 600 V UL certified
Overvoltage category III
Pollution degree 3
[Uimp] rated impulse withstand voltage 6 kV conforming to IEC 60947
Safety reliability level B10d = 1369863 cycles contactor with nominal load conforming to EN/ISO 13849-1 B10d = 20000000 cycles contactor with mechanical load conforming to EN/ISO 13849-1
Mechanical durability 15 Mcycles
Electrical durability 1.65 Mcycles 18 A AC-3 at Ue <= 440 V 1 Mcycles 32 A AC-1 at Ue <= 440 V 1.65 Mcycles 18 A AC-3e at Ue <= 440 V
Control circuit type AC at 50/60 Hz standard
Coil technology Without built-in suppressor module
Control circuit voltage limits 0.3...0.6 Uc (-40…70 °C):drop-out AC 50/60 Hz 0.8...1.1 Uc (-40…60 °C):operational AC 50 Hz 0.85...1.1 Uc (-40…60 °C):operational AC 60 Hz 1...1.1 Uc (60…70 °C):operational AC 50/60 Hz
Inrush power in VA 70 VA 60 Hz cos phi 0.75 (at 20 °C) 70 VA 50 Hz cos phi 0.75 (at 20 °C)
Hold-in power consumption in VA 7.5 VA 60 Hz cos phi 0.3 (at 20 °C) 7 VA 50 Hz cos phi 0.3 (at 20 °C)
Heat dissipation 2…3 W at 50/60 Hz
Operating time 12...22 ms closing 4...19 ms opening
Maximum operating rate 3600 cyc/h 60 °C
Maximum operating rate 3600 cyc/h at 60 °C
Connections - terminals Control circuit: screw clamp terminals 1 1…4 mm² - cable stiffness: flexible without cable end Control circuit: screw clamp terminals 2 1…4 mm² - cable stiffness: flexible without cable end Control circuit: screw clamp terminals 1 1…4 mm² - cable stiffness: flexible with cable end Control circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible with cable end Control circuit: screw clamp terminals 1 1…4 mm² - cable stiffness: solid without cable end Control circuit: screw clamp terminals 2 1…4 mm² - cable stiffness: solid without cable end Power circuit: screw clamp terminals 1 1.5…6 mm² - cable stiffness: flexible without cable end Power circuit: screw clamp terminals 2 1.5…6 mm² - cable stiffness: flexible without cable end Power circuit: screw clamp terminals 1 1…6 mm² - cable stiffness: flexible with cable end Power circuit: screw clamp terminals 2 1…4 mm² - cable stiffness: flexible with cable end Power circuit: screw clamp terminals 1 1.5…6 mm² - cable stiffness: solid without cable end Power circuit: screw clamp terminals 2 1.5…6 mm² - cable stiffness: solid without cable end
Tightening torque Power circuit: 1.7 N.m - on screw clamp terminals - with screwdriver flat Ø 6 mm Power circuit: 1.7 N.m - on screw clamp terminals - with screwdriver Philips No 2 Control circuit: 1.7 N.m - on screw clamp terminals - with screwdriver flat Ø 6 mm Control circuit: 1.7 N.m - on screw clamp terminals - with screwdriver Philips No 2 Control circuit: 1.7 N.m - on screw clamp terminals - with screwdriver pozidriv No 2 Power circuit: 1.7 N.m - on screw clamp terminals - with screwdriver pozidriv No 2
Auxiliary contact composition 1 NO + 1 NC
Auxiliary contacts type type mechanically linked 1 NO + 1 NC conforming to IEC 60947-5-1 type mirror contact 1 NC conforming to IEC 60947-4-1
Signalling circuit frequency 25...400 Hz
Minimum switching voltage 17 V for signalling circuit
Minimum switching current 5 mA for signalling circuit
Insulation resistance > 10 MOhm for signalling circuit
Non-overlap time 1.5 ms on de-energisation between NC and NO contact 1.5 ms on energisation between NC and NO contact
Mounting support Plate Rail
Environment
Standards CSA C22.2 No 14 EN 60947-4-1 EN 60947-5-1 IEC 60947-4-1 IEC 60947-5-1 UL 60947-4-1 IEC 60335-1:Clause 30.2 IEC 60335-2-40:Annex JJ UL 60335-2-40:Annex JJ CSA C22.2 No 60947-4-1
Product certifications UL CCC CSA Marine UKCA EAC CB Scheme
IP degree of protection IP20 front face conforming to IEC 60529
Protective treatment TH conforming to IEC 60068-2-30
Climatic withstand conforming to IACS E10 exposure to damp heat conforming to IEC 60947-1 Annex Q category D exposure to damp heat
Permissible ambient air temperature around the device -40…60 °C 60…70 °C with derating
Operating altitude 0...3000 m
Fire resistance 850 °C conforming to IEC 60695-2-1
Flame retardance V1 conforming to UL 94
Mechanical robustness Vibrations contactor open (2 Gn, 5...300 Hz) Vibrations contactor closed (4 Gn, 5...300 Hz) Shocks contactor open (10 Gn for 11 ms) Shocks contactor closed (15 Gn for 11 ms)
Height 77 mm
Width 45 mm
Depth 86 mm
Net weight 0.33 kg
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 5.000 cm
Package 1 Width 9.200 cm
Package 1 Length 11.200 cm
Package 1 Weight 352.000 g
Unit Type of Package 2 S02
Number of Units in Package 2 20
Package 2 Height 15.000 cm
Package 2 Width 30.000 cm
Package 2 Length 40.000 cm
Package 2 Weight 7.415 kg
Unit Type of Package 3 P06
Number of Units in Package 3 320
Package 3 Height 75.000 cm
Package 3 Width 60.000 cm
Package 3 Length 80.000 cm
Package 3 Weight 128.420 kg
Contractual warranty
Warranty 18 months

Main documents

Main documents

Datasheet Download Datasheet
Product datasheet LC1D18M7 
Instruction sheet
Download
Catalogue
Download
CAD Files
Download
Environmental disclosure Download

Main documents

Datasheet Download Datasheet
Product datasheet LC1D18M7 
Instruction sheet
Download
Catalogue
Download
CAD Files
Download
Environmental disclosure Download

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